US3389327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized suppressed carrier balanced modulator
Assignee: JM Huber Corp
•
Filing: 1965-06-01
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Granted: 1968-06-18
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Laughton T Fine
- 👤 John L Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; H03C1/54; H03C1/542; H03C1/545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2864961A
Cited
US3027522A
Cited
US3072854A
Cited
US3096492A
Cited
US3239780A
Cited
US3229230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |